iris-a6159 International Rectifier Corp., iris-a6159 Datasheet

iris-a6159

Manufacturer Part Number

iris-a6159

Description

Integrated Switcher

Manufacturer

International Rectifier Corp.

Datasheet

1.IRIS-A6159.pdf (7 pages)

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•Small sized 8-pin DIP type full molded package, optimum IC for low-

height SMPS

•Off-timer circuit is provided on the monolithic control IC

• Low start-up circuit current (10uA typ)

•Low circuit current at operation (1.5mA typ)

• Avalanche energy guaranteed MOSFET with high VDSS

•Built-in Start-up circuit (the power loss in the start-up circuit is

reduced by cutting off the start-up circuit after the IC starts its

operation.)

•Auto Burst Stand-by (realizing input power<0.1W at no load)

•Auto Bias Function (stable burst operation without the interference on

transformer)

•Two operational modes by auto switching functions

•Built-in Leading Edge Blanking Function

•Built-in constant voltage drive circuit

•Various kinds of protection functions

Descriptions

IRIS-A6159 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for PRC

fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC

operation for small power SMPS. This IC realizes downsizing and standardizing of a power supply

system reducing external component count and simplifying the circuit design.

Note: PRC is abbreviation for “Pulse Ratio Control” (On-width control with fixed OFF-time).

Features

Typical Connection Diagram

Note 1: The pout (W) represents the thermal rating at PRC Operation. The peak power output is obtained by

approximating 120 to 140% of the above listed value. When the output voltage is low and ON-duty is narrow, the

Pout (W) shall become lower than that of above value.

For normal operation: PRC mode

For stand-by operation (at light load): Burst mode

The built-in power MOSFET simplifies the surge absorption

circuit since the MOSFET guarantees the avalanche energy.

No VDSS de-rating is required.

Pulse-by-pulse Overcurrent Protection (OCP)

Overload Protection with auto recovery (OLP)

Overvoltage Protection with latch mode (OVP)

Thermal Shutdown with latch mode (TSD)

O O O O C C C C P P P P

D D D D

I I I I R R R R I I I I S S S S - - - - A A A A 6 6 6 6 1 1 1 1 5 5 5 5 9 9 9 9

1 1 1 1

8 8 8 8

V V V V c c c c c c c c

2 2 2 2

D D D D

7 7 7 7

G G G G N N N N D D D D

6 6 6 6

N N N N C C C C

3 3 3 3

S S S S t t t t a a a a r r r r t t t t u u u u p p p p

F F F F B B B B

4 4 4 4

5 5 5 5

Key Specifications

IRIS-A6159

Type

MOSFET

VDSS(V)

INTEGRATED SWITCHER

650

Package Outline

RDS(ON)

MAX

8 Lead PDIP

6Ω

Data Sheet No. PD 96934A

IRIS-A6159

ACinput(V)

230±15%

85 to 264

www.irf.com

Pout(W)

Note 1

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iris-a6159 Summary of contents

Page 1

... Thermal Shutdown with latch mode (TSD) Descriptions IRIS-A6159 is a hybrid IC consisting of a power MOSFET and a controller IC, designed for PRC fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC operation for small power SMPS. This IC realizes downsizing and standardizing of a power supply system reducing external component count and simplifying the circuit design. Note: PRC is abbreviation for “ ...

Page 2

... IRIS-A6159 Absolute Maximum Ratings (Ta=25℃ ℃ ℃ ℃ ) Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to terminals stated, all currents are defined positive into any lead. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions ...

Page 3

... IRIS-A6159 Electrical Characteristics (for Control IC) Electrical characteristics for control part (Ta=25℃, Vin=20V,unless otherwise specified) Symbol Definition Operation start voltage V CC (ON) Operation stop voltage V CC (OFF) Circuit current in operation I CC (ON) Circuit current in non-operation I CC (OFF) Auto bias threshold voltage V CC (bias) - Vcc(bias) - Vcc(OFF) ...

Page 4

... IRIS-A6159 A valanche energy derating curve 100 Channel temperature Tch [℃ ] IRIS-A6159 MOSFET　 A.S.O. Curve Drain current limit by ON 0.1ms resistance 1ms ASO temperature derating shall be made by obtaining ASO Coefficient from the left curve in your use. 10 100 Drain-to-Source Voltage VDS[V] ...

Page 5

... Ambient temperature Ta[℃ 0.1 0.01 1µ 10µ 0.16 PD2=0.15[W] 0.14 0.12 0.1 0.08 0.06 0.04 0. IRIS-A6159 Transient thermal resistance curve 100µ 1m time t [sec] IRIS-A6159 MIC T -P Curve 100 120 140 Internal frame temperature TF[℃] 10m 100m www.irf.com 5 ...

Page 6

... IRIS-A6159 Block Diagram ＋－ Lead Assignments Pin No. ...

Page 7

... IRIS-A6159 Case Outline A6159 WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 a. Type Number b. Lot Number 1 st letter：The last digit of year nd 2 letter：Month ( for Jan. to Sept., O for Oct ...

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